Member ages
TUIDE Member Ages and Birthdays
TUIDE member ages and birthdays ranked oldest to youngest, from Seohee at age 19 to Yi Hani at age 15.
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 |  SeoheeMember | 19 | Oct 11, 2006 | Member |
| #2 |  SeoyeonMember | 18 | Mar 4, 2008 | Member |
| #3 |  ElenaMember | 18 | May 31, 2008 | Member |
| #4 |  JiaMember | 17 | Aug 22, 2008 | Member |
| #5 |  SakiMember | 16 | Jan 1, 2010 | Member |
| #6 |  SeahMember | 15 | Jan 4, 2011 | Member |
| #7 |  Yi HaniMember | 15 | Jan 7, 2011 | Member |